Home / 11,313.09-16,971.84-3,416.24

Finding the Fourth Proportional to 11,313.09, 16,971.84 and 3,416.24

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Solution

The fourth proportional to 11,313.09, 16,971.84 and 3,416.24 is: 5,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.09 : 16,971.84 = 3,416.24 : x
  2. Step 2: Convert to fraction form
    11,313.09/16,971.84 = 3,416.24/x
  3. Step 3: Cross multiply
    11,313.09x = 16,971.84 × 3,416.24
  4. Step 4: Simplify right side
    11,313.09x = 57,979,961.72
  5. Step 5: Solve for x
    x = 57,979,961.72/11,313.09
  6. Step 6: Final answer
    x = 5,125.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.